<template>
  <!-- #ifdef APP-NVUE -->
  <cell>
    <!-- #endif -->
    <view
      :class="disabled ? 'uni-list-item--disabled' : ''"
      :hover-class="disabled || showSwitch ? '' : 'uni-list-item--hover'"
      class="uni-list-item"
      @click="onClick"
    >
      <view class="uni-list-item__container" :class="{ 'uni-list-item--first': isFirstChild }">
        <view v-if="thumb" class="uni-list-item__icon">
          <image :src="thumb" class="uni-list-item__icon-img" />
        </view>
        <view v-else-if="showExtraIcon" class="uni-list-item__icon">
          <uni-icons :color="extraIcon.color" :size="extraIcon.size" :type="extraIcon.type" class="uni-icon-wrapper" />
        </view>
        <view class="uni-list-item__content">
          <slot />
          <text class="uni-list-item__content-title">{{ title }}</text>
          <text v-if="note" class="uni-list-item__content-note">{{ note }}</text>
        </view>
        <view class="uni-list-item__extra">
          <text v-if="rightText" class="uni-list-item__extra-text">{{ rightText }}</text>
          <uni-badge v-if="showBadge" :type="badgeType" :text="badgeText" />
          <switch v-if="showSwitch" :disabled="disabled" :checked="switchChecked" @change="onSwitchChange" />
          <slot name="right"></slot>
          <uni-icons v-if="showArrow" :size="20" class="uni-icon-wrapper" color="#bbb" type="arrowright" />
        </view>
      </view>
    </view>
    <!-- #ifdef APP-NVUE -->
  </cell>
  <!-- #endif -->
</template>

<script>
import uniIcons from '../uni-icons/uni-icons.vue';
import uniBadge from '../uni-badge/uni-badge.vue';

/**
 * ListItem 列表子组件
 * @description 列表子组件
 * @tutorial https://ext.dcloud.net.cn/plugin?id=24
 * @property {String} title 标题
 * @property {String} note 描述
 * @property {String} thumb 左侧缩略图，若thumb有值，则不会显示扩展图标
 * @property {String} badgeText 数字角标内容
 * @property {String} badgeType 数字角标类型，参考[uni-icons](https://ext.dcloud.net.cn/plugin?id=21)
 * @property {String} rightText 右侧文字内容
 * @property {Boolean} disabled = [true|false]是否禁用
 * @property {Boolean} showArrow = [true|false] 是否显示箭头图标
 * @property {Boolean} showBadge = [true|false] 是否显示数字角标
 * @property {Boolean} showSwitch = [true|false] 是否显示Switch
 * @property {Boolean} switchChecked = [true|false] Switch是否被选中
 * @property {Boolean} showExtraIcon = [true|false] 左侧是否显示扩展图标
 * @property {Boolean} scrollY = [true|false] 允许纵向滚动，需要显式的设置其宽高
 * @property {Object} extraIcon 扩展图标参数，格式为 {color: '#4cd964',size: '22',type: 'spinner'}
 * @event {Function} click 点击 uniListItem 触发事件
 * @event {Function} switchChange 点击切换 Switch 时触发
 */
export default {
  name: 'UniListItem',
  components: {
    uniIcons,
    uniBadge,
  },
  props: {
    title: {
      type: String,
      default: '',
    }, // 列表标题
    note: {
      type: String,
      default: '',
    }, // 列表描述
    disabled: {
      // 是否禁用
      type: [Boolean, String],
      default: false,
    },
    showArrow: {
      // 是否显示箭头
      type: [Boolean, String],
      default: true,
    },
    showBadge: {
      // 是否显示数字角标
      type: [Boolean, String],
      default: false,
    },
    showSwitch: {
      // 是否显示Switch
      type: [Boolean, String],
      default: false,
    },
    switchChecked: {
      // Switch是否被选中
      type: [Boolean, String],
      default: false,
    },
    badgeText: {
      // badge内容
      type: String,
      default: '',
    },
    badgeType: {
      // badge类型
      type: String,
      default: 'success',
    },
    rightText: {
      // 右侧文字内容
      type: String,
      default: '',
    },
    thumb: {
      // 缩略图
      type: String,
      default: '',
    },
    showExtraIcon: {
      // 是否显示扩展图标
      type: [Boolean, String],
      default: false,
    },
    extraIcon: {
      type: Object,
      default() {
        return {
          type: 'contact',
          color: '#000000',
          size: 20,
        };
      },
    },
  },
  inject: ['list'],
  data() {
    return {
      isFirstChild: false,
    };
  },
  mounted() {
    if (!this.list.firstChildAppend) {
      this.list.firstChildAppend = true;
      this.isFirstChild = true;
    }
  },
  methods: {
    onClick() {
      this.$emit('click');
    },
    onSwitchChange(e) {
      this.$emit('switchChange', e.detail);
    },
  },
};
</script>

<style scoped>
.uni-list-item {
  font-size: 32rpx;
  position: relative;
  flex-direction: column;
  justify-content: space-between;
  padding-left: 30rpx;
}

.uni-list-item--disabled {
  opacity: 0.3;
}

.uni-list-item--hover {
  background-color: #f1f1f1;
}

.uni-list-item__container {
  position: relative;
  /* #ifndef APP-NVUE */
  display: flex;
  /* #endif */
  flex-direction: row;
  padding: 24rpx 30rpx;
  padding-left: 0;
  flex: 1;
  position: relative;
  justify-content: space-between;
  align-items: center;
  /* #ifdef APP-PLUS */
  border-top-color: #e5e5e5;
  border-top-style: solid;
  border-top-width: 0.5px;
  /* #endif */
}

.uni-list-item--first {
  border-top-width: 0px;
}

/* #ifndef APP-NVUE */
.uni-list-item__container:after {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 1px;
  content: '';
  -webkit-transform: scaleY(0.5);
  transform: scaleY(0.5);
  background-color: #e5e5e5;
}

.uni-list-item--first:after {
  height: 0px;
}

/* #endif */

.uni-list-item__content {
  /* #ifndef APP-NVUE */
  display: flex;
  /* #endif */
  flex: 1;
  overflow: hidden;
  flex-direction: column;
  color: #3b4144;
}

.uni-list-item__content-title {
  font-size: 28rpx;
  color: #3b4144;
  overflow: hidden;
}

.uni-list-item__content-note {
  margin-top: 6rpx;
  color: #999;
  font-size: 24rpx;
  overflow: hidden;
}

.uni-list-item__extra {
  /* width: 25%;
 */
  /* #ifndef APP-NVUE */
  display: flex;
  /* #endif */
  flex-direction: row;
  justify-content: flex-end;
  align-items: center;
}

.uni-list-item__icon {
  margin-right: 18rpx;
  flex-direction: row;
  justify-content: center;
  align-items: center;
}

.uni-list-item__icon-img {
  height: 52rpx;
  width: 52rpx;
}

.uni-list-item__extra-text {
  color: #999;
  font-size: 24rpx;
}
</style>
